Question: When did Alcatraz Island become a heritage designation  place listed on the National Register of Historic Places?
Paraphrase: The year ALcatraz became a heritage designation place on the National Register of Historic Places?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q131354 p:P1435 ?s . ?s ps:P1435 wd:Q19558910 . ?s pq:P580 ?value}